package day011.code_block.gouzaodaimakuai;

public class Student {
    final int NUM;

    {
        NUM=10;
        System.out.println("构造代码块...");
    }

    public Student(){
        System.out.println("无参构造...");
    }

    public Student(int a){
        System.out.println("有参构造...");
    }


}
